<template>
  <div class="login-container">
    <el-form
      class="login-form"
      ref="loginFromRef"
      :model="loginForm"
      :rules="loginRules"
    >
      <div class="title-container">
        <h3 class="title">用户登录</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon="user" />
        </span>
        <el-input
        ref="refInputusername"
          placeholder="请输入用户名"
          name="username"
          type="text"
          v-model="loginForm.username"
          clearable
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon="password" />
        </span>
        <el-input
         ref="refInputpassword"
          autofocus="true"
          placeholder="请输入密码"
          name="password"
          :type="passwordType"
          v-model="loginForm.password"
          clearable
        />
        <span class="show-pwd">
          <svg-icon
            :icon="passwordType === 'password' ? 'eye' : 'eye-open'"
            @click="onChangePwdType"
          />
        </span>
      </el-form-item>

      <el-button
        type="primary"
        style="width: 100%; margin-bottom: 30px"
        :loading="loading"
        @click="handleLogin"
        >登录</el-button
      >
    </el-form>
  </div>
</template>

<script setup>
import { ref, computed ,} from "vue";
import { validatePassword } from "./rules";
import { useStore } from "vuex";
import { useRouter } from "vue-router";
// const refInputusername= ref('');
// const refInputpassword =ref('');
// 数据源 
const loginForm = ref({
  username: "",
  password: "",
});

// onMounted(() => { focusInput() })
// const focusInput = () => {
//         nextTick(() => {
//           refInputpassword.value.focus()
//           refInputusername.value.focus()
//         })
// }
// 验证规则
const loginRules = ref({
  username: [
    {
      required: true,
      trigger: "focus",
      message: computed(() => {
        return "用户名为必填项";
      }),
    },
  ],
  password: [
    {
      required: true,
      trigger: "focus",
      validator: validatePassword(),
    },
  ],
});

// 处理密码框文本显示状态
const passwordType = ref("password");
const onChangePwdType = () => {
  if (passwordType.value === "password") {
    passwordType.value = "text";
  } else {
    passwordType.value = "password";
  }
};

// 登录动作处理
const loading = ref(false);
const loginFromRef = ref(null);
const store = useStore();
const router = useRouter();
const handleLogin = () => {
  loginFromRef.value.validate((valid) => {
    if (!valid) return;

    loading.value = true;
    store
      .dispatch("user/login", loginForm.value)
      .then(() => {
        loading.value = false;
        // 登录后操作
        router.push("/");
      })
      .catch((err) => {
        console.log(err);
        loading.value = false;
      });
  });
};
</script>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;
$cursor: #fff;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: #01367A;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 450px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;

    ::v-deep .el-form-item {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
      border-radius: 5px;
      color: #454545;
    }

    ::v-deep .el-input {
      // display: inline-block;
      height: 47px;
      width: 85%;
      // --el-input-border-color: pink;  
        /*背景颜色*/  
        // --el-input-bg-color: red;  
        /*获取焦点后的边框颜色*/  
        --el-input-focus-border-color: rgb(17, 21, 147);
        /*鼠标悬停边框颜色*/  
        --el-input-hover-border-color: rgb(30, 28, 28);

      input {
        background: transparent;
        cursor: pointer;
        // border: 0px;
        // -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        height: 47px;
        caret-color: $cursor;
      }
    }
  }

  .tips {
    font-size: 16px;
    line-height: 28px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
